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plasmacytoma

Pronunciation: plaz'ma-si-to'ma

Definition: A discrete, presumably solitary mass of neoplastic plasma cells in bone or in one of various extramedullary sites; in humans, such lesions are probably the initial phase of developing plasma cell myeloma.

[plasmacyte + G. -oma, tumor]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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